Bolsa, mercados y cotizaciones
Wall Street opens lower, focus on ECB
The Dow Jones industrial average was down 16.16 points, or 0.15 percent, at 10,923.79. The Standard & Poor's 500 fell 3.02 points, or 0.26 percent, at 1,141.01. The Nasdaq Composite dipped 3.43 points, or 0.14 percent, at 2,457.08.
(Editing by Jeffrey Benkoe)